Non-Fused Switch Disconnectors

Non-fused switch disconnectors are a safety device designed to power down or isolate a part of a circuit while it is being serviced or maintained. Unlike fused switch disconnectors, they do not use a fuse to break the circuit, instead using either a rotary or knife-blade disconnect. Rotary switches break the circuit by rotation of a lever, while knife-blade switches use a hinge to lift a lever off its slot.

What are non-fused switch disconnectors used for?

Non-fused switch disconnectors are used to isolate circuit breakers, transmission lines and transformers as part of their maintenance process. They are a safety measure and are not intended for use as a regular part of the circuit.

Types of non-fused switch disconnectors

Non-fused switch disconnectors vary in the method of disconnecting that they use, whether rotary or knife-blade. Beyond that, they have differing power, voltage and switch ratings, as well as different maximum current capabilities, which will determine which non-fused switch disconnector you choose.

Description:
The fuserbloc series are manually operated multi polar
fuse combination switches. These fused switch disconnectors break or switch off on load and provide safety isolation and protection against over current for any low voltage electrical circuit. The fuserbloc series is ...

Description:
From RS Pro, these battery isolation switches are
perfect for automotive, traction and marine applications. Each switch provides simple and effective disconnection of battery banks from equipment for safety, security, servicing or operation. All models are highly reliable and excellent ...